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Preparation of PA6/nano titanium dioxide (TiO 2 ) composites and their spinnability
Author(s) -
Zhu Meifang,
Xing Qiang,
He Houkang,
Zhang Yu,
Chen Yanmo,
Pötschke Petra,
Adler HansJürgen
Publication year - 2004
Publication title -
macromolecular symposia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.257
H-Index - 76
eISSN - 1521-3900
pISSN - 1022-1360
DOI - 10.1002/masy.200450629
Subject(s) - materials science , composite material , polyamide , titanium dioxide , composite number , matrix (chemical analysis) , dispersion (optics) , surface modification , nanocomposite , chemical engineering , physics , optics , engineering
In this work, surface modification technique with coupling agents and anchoring polymerization was adopted to tailor the surface properties of nanoscaled titanium dioxide (TiO 2 ). Ethyl glycol sols with TiO 2 were prepared in order to simulate the dispersibility of differently modified TiO 2 in a molten polyamide 6 (PA6) matrix. The modified TiO 2 were melt compounded with PA6 and composites and fibers were prepared. The average filler diameter of 47 nm (in composites) and 44 nm (in fibers) indicated homogeneous dispersion of TiO 2 in the matrix, whereas unmodified TiO 2 showed agglomerated structures in the PA6 matrix. The mechanical properties of the composite fibers were improved as compared to pure PA6 fibers and composite fibers with unmodified TiO 2 .